Hi In Chul Lee - Good morning. Can you provide the CUCM version if you can?
What I'm running right now is CUCM 8.6.2, CTS 1000 with 1.8 and VCS X7 and TC5.1 on a C90 system. C90 registered to VCS X7.
Making the call connects ok in this call setup with C90 registered SIP to VCS. Calling from C90 to CTS on CUCM works out ok.
C-Series sets 2 M lines for video (1 Main Video;1 Dual presentation stream). It also sets m=application BFCP over UDP and m=application for H224 which is used for Far End Camera Control. This is all normal in the sense of what the C-Series sends. If the CUCM is setting the m=video line to zero, then its something that the C-series may be sending that it doesn't like or the possibility of allocating MTP somewhere, but this is only speculation at the moment.
I'm not sure of your CUCM Version, but there have been some issues involving BFCP, but again, can't speculate since we don't know the versions of which your currently running and it may also be something else as well depending on what versions you are currently running.
Hi In Chul Lee. Its interesting that its setting it to Zero for Video M Line, but I suspect this is for 2nd channel for presentation and not main video. The User Agent here looks like MOVI 4.2. So what version of CTS are you running at the moment? Both seem to declare packetization mode 1 for main, but seems CTS may want to run 1080p30 which MOVI isn't declaring it seems and can only run at 720p30 based on BW etc.
Your best bet here would be to see if you can run 8.6.2 CUCM and CTS 1.8 if possible. I can call to CTS 1000 running this from Jabber Video 4.3 and CTS 1.8 without any problems in this setup.
Can you confirm that your running these code versions?
This is the CTS interoperability table for CTS endpoints and other Cisco Endpoints.
Hi In Chul Lee - Thanks for the information. Would probably be best to check the compatibility matrix. With the code versions your running, this won't work unless you utilize a TS 8710 or 7010 to provide the interop for the CTS code that your running. Please see:
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